【多选题】(112—116题共用备选答案)
E.
茎乳孔 112.眼神经出颅的位置是 113.上颌神经出颅的位置是 114.下颌神经出颅的位置是 115.面神经出颅的位置是 116.脑膜中动脉入颅的位置是
【单选题】Calculate the amount of direct materials used during the year, when beginning inventory is $7,000, net purchases is $33,000 and ending inventory is $4,000:
【单选题】Which of the following statements about nucleic acid structure is wrong?
A.
The covalent backbones of nucleic acids consist of alternating phosphate and pentose residues, and the nitrogenous bases may be regarded as side groups joined to the backbone at regular intervals.
B.
The hydroxyl groups of the sugar residues form hydrogen bonds with water.
C.
The backbones of both DNA and RNA are hydrophobic.
D.
The phosphate groups, with a p K a near 0, are completely ionized and negatively charged at pH 7, and the negative charges are generally neutralized by ionic interactions with positive charges on proteins, metal ions, and polyamines.
【单选题】将铝片打磨后放入硫酸铜溶液中,可观察到的现象是( )。
【单选题】When beginning finished goods inventory is $60,000, cost of goods manufactured is $410,000, and ending finished goods inventory is $34,000, what is cost of goods sold?
【单选题】当纵向钢筋搭接接头面积百分率为25%时,纵向受拉钢筋的修正系数为( )